Clinical use of heterografts for replacement of the aortic valve.
D000328:Adult; D000818:Animals; D001021:Aortic Valve / Q000637:transplantation*; D001022:Aortic Valve Insufficiency / Q000601:surgery*; D001024:Aortic Valve Stenosis / Q000601:surgery*; D002417:Cattle; D006343:Heart Septal Defects / Q000601:surgery; D006801:Humans; D008875:Middle Aged; D012756:Sheep; D013552:Swine; D014183:Transplantation, Heterologous